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Quantouendinium trigonum
| trigonum | |
| Lang Yan, He Chengquan, Wu Chunguang and Yang Guoqi, (1999) | |
| He Chengquan, Song Zhichen and Zhu Youhua (2009) | |
| Q_trigonum, He et al., 2009, Nanjing Institute of Geology and Palaeontology, Nanjing 2100089 - 3.jpg | |
| junior synonym | |
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No synonyms
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